#5791B2
Closest named color: Faded Blue (#658CBB). oklch(63% 0.079 234.9), rgb(87, 145, 178).
Aa
Black text reads best on this color (6.09:1).
About this color
#5791B2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.079 and its hue 235°. 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 6.09:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #5791B2 |
| RGB | rgb(87, 145, 178) |
| HSL | hsl(202, 37%, 52%) |
| OKLCH | oklch(63% 0.079 234.9) |
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 #5791B2 | 3.44:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #5791B2 | 6.09:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #5791B2 text on white | 3.44:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #5791B2 text on black | 6.09:1 | AA | Lc -39.8 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#AAC5D6
oklch(80.9% 0.038 235.6)
-
Step 400
400
#7BA7C2
oklch(70.6% 0.062 235.7)
-
Step 500
500 (this color)
#5791B2
oklch(63% 0.079 234.9)
-
Step 600
600
#3A7B9E
oklch(55.5% 0.086 234.8)
-
Step 700
700
#2C6887
oklch(49.2% 0.079 234.2)
-
Step 800
800
#26556E
oklch(42.8% 0.066 234.5)
-
Step 900
900
#244659
oklch(37.7% 0.051 234.9)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#5791B2 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) | #8190B4 | 0.050 |
| Deuteranopia (no green cones) | #7586B1 | 0.043 |
| Tritanopia (no blue cones) | #259A9C | 0.061 |
| Achromatopsia (no color) | #8A8A8A | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5791B2
#5791B2
oklch(63% 0.079 234.9)
- #AE7C5B
#AE7C5B
oklch(62.9% 0.078 54.2)
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 #5791B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.027
- Dusty Blue #5A86AD ΔE 0.030
- Silver Lake Blue #778DA9 ΔE 0.037
- Off Blue #5684AE ΔE 0.037
- Blue Grey #758DA3 ΔE 0.037
- Cool Blue #4984B8 ΔE 0.045
- Light Slate Gray #778899 ΔE 0.049
- Steel Blue #4682B4 ΔE 0.050
Use #5791B2 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.