#507F96
Closest named color: Stormy Blue (#507B9C). oklch(57.2% 0.062 230.5), rgb(80, 127, 150).
Aa
Black text reads best on this color (4.81:1).
About this color
#507F96 is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.062 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.017 away. Black text reads best on it, at 4.81:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.81:1 |
| White text | 4.35:1 |
Values
| HEX | #507F96 |
| RGB | rgb(80, 127, 150) |
| HSL | hsl(200, 30%, 45%) |
| OKLCH | oklch(57.2% 0.062 230.5) |
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 #507F96 | 4.35:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #507F96 | 4.81:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #507F96 text on white | 4.35:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #507F96 text on black | 4.81:1 | AA | Lc -31.5 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AFC4D0
oklch(80.8% 0.029 232.8)
-
Step 400
400
#85A6B8
oklch(70.7% 0.045 232.1)
-
Step 500
500
#6590A6
oklch(63% 0.058 231.1)
-
Step 600
600 (this color)
#507F96
oklch(57.2% 0.062 230.5)
-
Step 700
700
#3C677C
oklch(49.1% 0.058 230.8)
-
Step 800
800
#325464
oklch(42.7% 0.048 229.6)
-
Step 900
900
#2C4552
oklch(37.6% 0.038 231.8)
-
Step 950
950
#1A2930
oklch(27.1% 0.024 228.7)
#507F96 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) | #747D97 | 0.045 |
| Deuteranopia (no green cones) | #697696 | 0.038 |
| Tritanopia (no blue cones) | #308586 | 0.045 |
| Achromatopsia (no color) | #797979 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507F96
#507F96
oklch(57.2% 0.062 230.5)
- #966D56
#966D56
oklch(57.1% 0.063 50.4)
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 #507F96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.017
- Cerulean #457B9D ΔE 0.022
- Grey Blue #647D8E ΔE 0.024
- Metallic Blue #4F738E ΔE 0.035
- Dull Blue #49759C ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.038
- Off Blue #5684AE ΔE 0.038
- Slate Gray #708090 ΔE 0.040
Use #507F96 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.