#5997E2
Closest named color: Cornflower Blue (#6495ED). oklch(66.8% 0.129 254.2), rgb(89, 151, 226).
Aa
Black text reads best on this color (6.94:1).
About this color
#5997E2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.129 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.022 away. Black text reads best on it, at 6.94:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #5997E2 |
| RGB | rgb(89, 151, 226) |
| HSL | hsl(213, 70%, 62%) |
| OKLCH | oklch(66.8% 0.129 254.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5997E2 | 3.02:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #5997E2 | 6.94:1 | AA | Lc 47.3 | Large or bold text, headings |
| #5997E2 text on white | 3.02:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #5997E2 text on black | 6.94:1 | AA | Lc -45.0 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF1
oklch(88.6% 0.035 254.9)
-
Step 300
300
#A5C3E9
oklch(80.8% 0.063 254.5)
-
Step 400
400
#74A4DF
oklch(70.8% 0.101 254.1)
-
Step 500
500 (this color)
#5997E2
oklch(66.8% 0.129 254.2)
-
Step 600
600
#3074C3
oklch(55.6% 0.141 254.4)
-
Step 700
700
#2261A8
oklch(49.1% 0.13 254.2)
-
Step 800
800
#1E5088
oklch(42.8% 0.107 253.7)
-
Step 900
900
#1E426D
oklch(37.6% 0.085 254.4)
-
Step 950
950
#132740
oklch(27% 0.054 254.9)
#5997E2 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #779CE5 | 0.037 |
| Deuteranopia (no green cones) | #658EE0 | 0.025 |
| Tritanopia (no blue cones) | #00A8B2 | 0.107 |
| Achromatopsia (no color) | #949494 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5997E2
#5997E2
oklch(66.8% 0.129 254.2)
- #C38725
#C38725
oklch(66.8% 0.129 74.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5997E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.022
- Chefchaouen Blue #4895EF ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.034
- Soft Blue #6488EA ΔE 0.044
- Faded Blue #658CBB ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.063
- Perrywinkle #8F8CE7 ΔE 0.068
- Periwinkle Blue #8F99FB ΔE 0.075
Use #5997E2 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.