#5A7FA1
Closest named color: Stormy Blue (#507B9C). oklch(58.2% 0.067 246.9), rgb(90, 127, 161).
Aa
Black text reads best on this color (4.98:1).
About this color
#5A7FA1 is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.067 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.018 away. Black text reads best on it, at 4.98:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #5A7FA1 |
| RGB | rgb(90, 127, 161) |
| HSL | hsl(209, 28%, 49%) |
| OKLCH | oklch(58.2% 0.067 246.9) |
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 #5A7FA1 | 4.21:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #5A7FA1 | 4.98:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #5A7FA1 text on white | 4.21:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #5A7FA1 text on black | 4.98:1 | AA | Lc -32.7 | 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
#E5EAEF
oklch(93.5% 0.009 247.9)
-
Step 200
200
#D1DAE4
oklch(88.4% 0.017 250.9)
-
Step 300
300
#B2C3D4
oklch(81% 0.03 248.2)
-
Step 400
400
#89A4BE
oklch(70.7% 0.049 247.5)
-
Step 500
500
#6B8DAD
oklch(63% 0.062 247.3)
-
Step 600
600 (this color)
#5A7FA1
oklch(58.2% 0.067 246.9)
-
Step 700
700
#436482
oklch(49.1% 0.062 246.8)
-
Step 800
800
#37526A
oklch(42.7% 0.052 246.2)
-
Step 900
900
#304456
oklch(37.8% 0.04 246.3)
-
Step 950
950
#1C2832
oklch(27% 0.025 244)
#5A7FA1 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) | #717FA3 | 0.030 |
| Deuteranopia (no green cones) | #6878A0 | 0.025 |
| Tritanopia (no blue cones) | #3E878A | 0.057 |
| Achromatopsia (no color) | #7B7B7B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A7FA1
#5A7FA1
oklch(58.2% 0.067 246.9)
- #96734F
#96734F
oklch(58.1% 0.067 66.7)
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 #5A7FA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.018
- Off Blue #5684AE ΔE 0.021
- Dusty Blue #5A86AD ΔE 0.024
- Cerulean #457B9D ΔE 0.028
- Grey Blue #647D8E ΔE 0.030
- Steel Blue #4682B4 ΔE 0.033
- Cool Blue #4984B8 ΔE 0.037
- Dull Blue #49759C ΔE 0.037
Use #5A7FA1 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.