#5A799F
Closest named color: Stormy Blue (#507B9C). oklch(56.8% 0.069 253.9), rgb(90, 121, 159).
Aa
Black text reads best on this color (4.67:1).
About this color
#5A799F is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.069 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.014 away. Black text reads best on it, at 4.67:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #5A799F |
| RGB | rgb(90, 121, 159) |
| HSL | hsl(213, 28%, 49%) |
| OKLCH | oklch(56.8% 0.069 253.9) |
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 #5A799F | 4.49:1 | AA large text | Lc -76.6 | Fine for body text |
| Black text on #5A799F | 4.67:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #5A799F text on white | 4.49:1 | AA large text | Lc 71.2 | Content text, not long reading |
| #5A799F text on black | 4.67:1 | AA | Lc -30.5 | 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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B3C2D5
oklch(80.9% 0.032 254.3)
-
Step 400
400
#8CA3C0
oklch(70.8% 0.05 254.4)
-
Step 500
500
#6F8CB0
oklch(63.2% 0.064 254.1)
-
Step 600
600 (this color)
#5A799F
oklch(56.8% 0.069 253.9)
-
Step 700
700
#476385
oklch(49.2% 0.064 253.8)
-
Step 800
800
#3A516C
oklch(42.8% 0.053 253)
-
Step 900
900
#324357
oklch(37.7% 0.041 252.9)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#5A799F 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) | #6B7BA1 | 0.024 |
| Deuteranopia (no green cones) | #62749E | 0.016 |
| Tritanopia (no blue cones) | #408186 | 0.060 |
| Achromatopsia (no color) | #777777 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A799F
#5A799F
oklch(56.8% 0.069 253.9)
- #8F7147
#8F7147
oklch(56.8% 0.069 75)
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 #5A799F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.014
- Cerulean #457B9D ΔE 0.024
- Dull Blue #49759C ΔE 0.024
- Metallic Blue #4F738E ΔE 0.033
- Off Blue #5684AE ΔE 0.034
- Grey Blue #647D8E ΔE 0.034
- Steel Blue #4682B4 ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.038
Use #5A799F 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.