#5F97EE
Closest named color: Cornflower Blue (#6495ED). oklch(67.7% 0.142 258.9), rgb(95, 151, 238).
Aa
Black text reads best on this color (7.14:1).
About this color
#5F97EE is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.142 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.007 away. Black text reads best on it, at 7.14:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.14:1 |
| White text | 2.93:1 |
Values
| HEX | #5F97EE |
| RGB | rgb(95, 151, 238) |
| HSL | hsl(217, 81%, 65%) |
| OKLCH | oklch(67.7% 0.142 258.9) |
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 #5F97EE | 2.93:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #5F97EE | 7.14:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #5F97EE text on white | 2.93:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #5F97EE text on black | 7.14:1 | AAA | Lc -46.2 | 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 400.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DBFA
oklch(88.6% 0.048 258)
-
Step 300
300
#9EC2FA
oklch(80.8% 0.089 259.1)
-
Step 400
400 (this color)
#5F97EE
oklch(67.7% 0.142 258.9)
-
Step 500
500
#3D86F5
oklch(63.1% 0.182 258.8)
-
Step 600
600
#186CE4
oklch(55.6% 0.198 259)
-
Step 700
700
#0759C6
oklch(49% 0.184 259)
-
Step 800
800
#0D4AA0
oklch(42.7% 0.152 258.8)
-
Step 900
900
#143F7F
oklch(37.7% 0.118 258.7)
-
Step 950
950
#0D254A
oklch(26.9% 0.075 258.9)
#5F97EE 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) | #729EF2 | 0.030 |
| Deuteranopia (no green cones) | #5F90EC | 0.018 |
| Tritanopia (no blue cones) | #00ABB7 | 0.122 |
| Achromatopsia (no color) | #979797 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F97EE
#5F97EE
oklch(67.7% 0.142 258.9)
- #C58B00
#C58B00
oklch(67.7% 0.141 79)
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 #5F97EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.007
- Chefchaouen Blue #4895EF ΔE 0.022
- Soft Blue #6488EA ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.039
- Dodger Blue #1E90FF ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.060
- Periwinkle Blue #8F99FB ΔE 0.061
- Lavender Blue #8B88F8 ΔE 0.065
Use #5F97EE 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.