#5891FB
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.9% 0.169 261.7), rgb(88, 145, 251).
Aa
Black text reads best on this color (6.85:1).
About this color
#5891FB is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.169 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.026 away. Black text reads best on it, at 6.85:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.85:1 |
| White text | 3.06:1 |
Values
| HEX | #5891FB |
| RGB | rgb(88, 145, 251) |
| HSL | hsl(219, 95%, 66%) |
| OKLCH | oklch(66.9% 0.169 261.7) |
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 #5891FB | 3.06:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #5891FB | 6.85:1 | AA | Lc 46.9 | Large or bold text, headings |
| #5891FB text on white | 3.06:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #5891FB text on black | 6.85:1 | AA | Lc -44.6 | Non-text elements, placeholder text |
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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A3C1F7
oklch(80.8% 0.084 262)
-
Step 400
400
#72A0F3
oklch(70.8% 0.132 261.5)
-
Step 500
500 (this color)
#5891FB
oklch(66.9% 0.169 261.7)
-
Step 600
600
#316CDC
oklch(55.6% 0.182 261.6)
-
Step 700
700
#2459BF
oklch(49% 0.17 261.8)
-
Step 800
800
#1F4A9B
oklch(42.8% 0.141 261.6)
-
Step 900
900
#1E3E7B
oklch(37.6% 0.111 261.8)
-
Step 950
950
#122548
oklch(27% 0.07 261.5)
#5891FB 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) | #5F9BFF | 0.028 |
| Deuteranopia (no green cones) | #458CF9 | 0.023 |
| Tritanopia (no blue cones) | #00A9BA | 0.138 |
| Achromatopsia (no color) | #939393 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5891FB
#5891FB
oklch(66.9% 0.169 261.7)
- #BF8A00
#BF8A00
oklch(66.8% 0.138 81.3)
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 #5891FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.026
- Cornflower Blue #6495ED ΔE 0.028
- Soft Blue #6488EA ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.040
- Cornflower #6A79F7 ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.069
Use #5891FB 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.