#5D91AE
Closest named color: Faded Blue (#658CBB). oklch(63.1% 0.071 233.9), rgb(93, 145, 174).
Aa
Black text reads best on this color (6.12:1).
About this color
#5D91AE is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.071 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.029 away. Black text reads best on it, at 6.12:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.12:1 |
| White text | 3.42:1 |
Values
| HEX | #5D91AE |
| RGB | rgb(93, 145, 174) |
| HSL | hsl(201, 33%, 52%) |
| OKLCH | oklch(63.1% 0.071 233.9) |
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 #5D91AE | 3.42:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #5D91AE | 6.12:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #5D91AE text on white | 3.42:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #5D91AE text on black | 6.12:1 | AA | Lc -40.0 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#ACC5D4
oklch(81% 0.034 234.2)
-
Step 400
400
#7FA7BE
oklch(70.7% 0.055 233.8)
-
Step 500
500 (this color)
#5D91AE
oklch(63.1% 0.071 233.9)
-
Step 600
600
#427B99
oklch(55.7% 0.076 233.4)
-
Step 700
700
#336783
oklch(49% 0.071 234.4)
-
Step 800
800
#2B546A
oklch(42.6% 0.059 233.9)
-
Step 900
900
#274656
oklch(37.7% 0.046 232.3)
-
Step 950
950
#182933
oklch(27.1% 0.029 235.2)
#5D91AE 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) | #8390AF | 0.046 |
| Deuteranopia (no green cones) | #7887AE | 0.040 |
| Tritanopia (no blue cones) | #38999A | 0.055 |
| Achromatopsia (no color) | #8B8B8B | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D91AE
#5D91AE
oklch(63.1% 0.071 233.9)
- #AC7E61
#AC7E61
oklch(63.1% 0.071 53.3)
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 #5D91AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.029
- Blue Grey #758DA3 ΔE 0.030
- Silver Lake Blue #778DA9 ΔE 0.030
- Dusty Blue #5A86AD ΔE 0.032
- Off Blue #5684AE ΔE 0.040
- Light Slate Gray #778899 ΔE 0.042
- Steel #738595 ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.049
Use #5D91AE 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.