#508297
Closest named color: Stormy Blue (#507B9C). oklch(57.9% 0.063 226.7), rgb(80, 130, 151).
Aa
Black text reads best on this color (4.98:1).
About this color
#508297 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.063 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.024 away. Black text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #508297 |
| RGB | rgb(80, 130, 151) |
| HSL | hsl(198, 31%, 45%) |
| OKLCH | oklch(57.9% 0.063 226.7) |
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 #508297 | 4.21:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #508297 | 4.98:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #508297 text on white | 4.21:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #508297 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AEC5CF
oklch(80.9% 0.029 225.8)
-
Step 400
400
#83A7B7
oklch(70.7% 0.046 226.9)
-
Step 500
500
#6391A5
oklch(63.1% 0.058 227)
-
Step 600
600 (this color)
#508297
oklch(57.9% 0.063 226.7)
-
Step 700
700
#3A687A
oklch(49.2% 0.058 225.4)
-
Step 800
800
#315564
oklch(42.9% 0.048 226.6)
-
Step 900
900
#2B4651
oklch(37.7% 0.038 225.7)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#508297 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) | #778098 | 0.048 |
| Deuteranopia (no green cones) | #6C7897 | 0.042 |
| Tritanopia (no blue cones) | #2F8889 | 0.043 |
| Achromatopsia (no color) | #7B7B7B | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508297
#508297
oklch(57.9% 0.063 226.7)
- #9A6F5A
#9A6F5A
oklch(58% 0.063 47.1)
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 #508297, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.024
- Grey Blue #647D8E ΔE 0.026
- Cerulean #457B9D ΔE 0.029
- Off Blue #5684AE ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.037
- Slate Gray #708090 ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.039
- Steel Grey #6F828A ΔE 0.040
Use #508297 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.