#5F91CD
Closest named color: Faded Blue (#658CBB). oklch(64.7% 0.105 253.7), rgb(95, 145, 205).
Aa
Black text reads best on this color (6.41:1).
About this color
#5F91CD is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.105 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.027 away. Black text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #5F91CD |
| RGB | rgb(95, 145, 205) |
| HSL | hsl(213, 52%, 59%) |
| OKLCH | oklch(64.7% 0.105 253.7) |
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 #5F91CD | 3.27:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #5F91CD | 6.41:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #5F91CD text on white | 3.27:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #5F91CD text on black | 6.41:1 | AA | Lc -41.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#AAC3E2
oklch(80.9% 0.052 253.9)
-
Step 400
400
#7CA4D3
oklch(70.7% 0.082 252.9)
-
Step 500
500 (this color)
#5F91CD
oklch(64.7% 0.105 253.7)
-
Step 600
600
#3F75B5
oklch(55.5% 0.116 254)
-
Step 700
700
#31629B
oklch(49% 0.106 253.7)
-
Step 800
800
#29507E
oklch(42.6% 0.089 253.9)
-
Step 900
900
#264365
oklch(37.7% 0.068 253.4)
-
Step 950
950
#17273B
oklch(26.9% 0.043 254.6)
#5F91CD 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) | #7994D0 | 0.033 |
| Deuteranopia (no green cones) | #6B89CC | 0.024 |
| Tritanopia (no blue cones) | #1E9FA6 | 0.093 |
| Achromatopsia (no color) | #8E8E8E | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F91CD
#5F91CD
oklch(64.7% 0.105 253.7)
- #B4843E
#B4843E
oklch(64.7% 0.105 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 #5F91CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.027
- Dark Sky Blue #448EE4 ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.048
- Chefchaouen Blue #4895EF ΔE 0.052
- Cool Blue #4984B8 ΔE 0.052
- Dusty Blue #5A86AD ΔE 0.053
- Soft Blue #6488EA ΔE 0.055
- Off Blue #5684AE ΔE 0.055
Use #5F91CD 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.