#5A7890
Closest named color: Stormy Blue (#507B9C). oklch(55.9% 0.051 242.9), rgb(90, 120, 144).
Aa
White text reads best on this color (4.64:1).
About this color
#5A7890 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.051 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.020 away. White text reads best on it, at 4.64:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #5A7890 |
| RGB | rgb(90, 120, 144) |
| HSL | hsl(207, 23%, 46%) |
| OKLCH | oklch(55.9% 0.051 242.9) |
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 #5A7890 | 4.64:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #5A7890 | 4.52:1 | AA | Lc 31.9 | Non-text elements, placeholder text |
| #5A7890 text on white | 4.64:1 | AA | Lc 72.2 | Content text, not long reading |
| #5A7890 text on black | 4.52:1 | AA | Lc -29.5 | Dividers and decoration only |
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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE1
oklch(88.4% 0.013 244.3)
-
Step 300
300
#B4C3CF
oklch(80.9% 0.024 242)
-
Step 400
400
#8DA4B6
oklch(70.7% 0.037 241.7)
-
Step 500
500
#718DA4
oklch(63% 0.047 243.4)
-
Step 600
600 (this color)
#5A7890
oklch(55.9% 0.051 242.9)
-
Step 700
700
#49647A
oklch(49.1% 0.048 243.5)
-
Step 800
800
#3C5263
oklch(42.7% 0.039 242)
-
Step 900
900
#344451
oklch(37.8% 0.03 243.1)
-
Step 950
950
#1E282F
oklch(27% 0.019 238.9)
#5A7890 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) | #6E7891 | 0.027 |
| Deuteranopia (no green cones) | #677290 | 0.023 |
| Tritanopia (no blue cones) | #487E80 | 0.041 |
| Achromatopsia (no color) | #747474 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A7890
#5A7890
oklch(55.9% 0.051 242.9)
- #8A6E55
#8A6E55
oklch(55.9% 0.051 63.2)
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 #5A7890, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.020
- Metallic Blue #4F738E ΔE 0.021
- Grey Blue #647D8E ΔE 0.021
- Cerulean #457B9D ΔE 0.028
- Dull Blue #49759C ΔE 0.030
- Battleship Grey #6B7C85 ΔE 0.032
- Battleship Gray #6C757D ΔE 0.035
- Slate Gray #708090 ΔE 0.039
Use #5A7890 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.