#5597EA
Closest named color: Chefchaouen Blue (#4895EF). oklch(67% 0.141 255.1), rgb(85, 151, 234).
Aa
Black text reads best on this color (7.00:1).
About this color
#5597EA is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.141 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.015 away. Black text reads best on it, at 7.00:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.00:1 |
| White text | 2.99:1 |
Values
| HEX | #5597EA |
| RGB | rgb(85, 151, 234) |
| HSL | hsl(213, 78%, 63%) |
| OKLCH | oklch(67% 0.141 255.1) |
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 #5597EA | 2.99:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #5597EA | 7.00:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #5597EA text on white | 2.99:1 | Fails | Lc 56.4 | Large or bold text, headings |
| #5597EA text on black | 7.00:1 | AAA | Lc -45.4 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C4DBFA
oklch(88.4% 0.05 255.9)
-
Step 300
300
#9AC4F9
oklch(80.9% 0.088 254.5)
-
Step 400
400 (this color)
#5597EA
oklch(67% 0.141 255.1)
-
Step 500
500
#2D89F3
oklch(63.2% 0.18 255)
-
Step 600
600
#0071DB
oklch(55.7% 0.183 255)
-
Step 700
700
#005EB9
oklch(49% 0.162 255.1)
-
Step 800
800
#004D9A
oklch(42.7% 0.142 255.2)
-
Step 900
900
#07407E
oklch(37.6% 0.118 255.3)
-
Step 950
950
#08264A
oklch(26.9% 0.075 255.4)
#5597EA 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) | #739DED | 0.037 |
| Deuteranopia (no green cones) | #5E8EE8 | 0.024 |
| Tritanopia (no blue cones) | #00AAB5 | 0.115 |
| Achromatopsia (no color) | #959595 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5597EA
#5597EA
oklch(67% 0.141 255.1)
- #C78600
#C78600
oklch(66.9% 0.141 74.8)
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 #5597EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.015
- Cornflower Blue #6495ED ΔE 0.016
- Dark Sky Blue #448EE4 ΔE 0.031
- Soft Blue #6488EA ΔE 0.040
- Dodger Blue #1E90FF ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.069
- Faded Blue #658CBB ΔE 0.070
- Periwinkle Blue #8F99FB ΔE 0.072
Use #5597EA 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.