#5F90CC
Closest named color: Faded Blue (#658CBB). oklch(64.4% 0.105 254.2), rgb(95, 144, 204).
Aa
Black text reads best on this color (6.34:1).
About this color
#5F90CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, 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 0.025 away. Black text reads best on it, at 6.34:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.34:1 |
| White text | 3.30:1 |
Values
| HEX | #5F90CC |
| RGB | rgb(95, 144, 204) |
| HSL | hsl(213, 52%, 59%) |
| OKLCH | oklch(64.4% 0.105 254.2) |
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 #5F90CC | 3.30:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #5F90CC | 6.34:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #5F90CC text on white | 3.30:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #5F90CC text on black | 6.34:1 | AA | Lc -41.4 | 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
#CDDBEC
oklch(88.6% 0.028 253.2)
-
Step 300
300
#AAC3E2
oklch(80.9% 0.052 253.9)
-
Step 400
400
#7DA4D3
oklch(70.8% 0.081 253.5)
-
Step 500
500 (this color)
#5F90CC
oklch(64.4% 0.105 254.2)
-
Step 600
600
#4075B4
oklch(55.5% 0.114 254)
-
Step 700
700
#32629B
oklch(49.1% 0.106 254.1)
-
Step 800
800
#2A507E
oklch(42.6% 0.088 254.4)
-
Step 900
900
#274365
oklch(37.8% 0.068 254.1)
-
Step 950
950
#17273B
oklch(26.9% 0.043 254.6)
#5F90CC 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) | #7893CF | 0.032 |
| Deuteranopia (no green cones) | #6A89CB | 0.021 |
| Tritanopia (no blue cones) | #209EA5 | 0.093 |
| Achromatopsia (no color) | #8D8D8D | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F90CC
#5F90CC
oklch(64.4% 0.105 254.2)
- #B3833D
#B3833D
oklch(64.4% 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 #5F90CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.044
- Cool Blue #4984B8 ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.050
- Off Blue #5684AE ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.053
- Soft Blue #6488EA ΔE 0.055
Use #5F90CC 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.