#507491
Closest named color: Metallic Blue (#4F738E). oklch(54.4% 0.061 243.5), rgb(80, 116, 145).
Aa
White text reads best on this color (4.94:1).
About this color
#507491 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.061 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.005 away. White text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #507491 |
| RGB | rgb(80, 116, 145) |
| HSL | hsl(207, 29%, 44%) |
| OKLCH | oklch(54.4% 0.061 243.5) |
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 #507491 | 4.94:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #507491 | 4.24:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #507491 text on white | 4.94:1 | AA | Lc 74.2 | Content text, not long reading |
| #507491 text on black | 4.24:1 | AA large text | Lc -27.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D1DBE3
oklch(88.6% 0.015 241.8)
-
Step 300
300
#B2C3D1
oklch(80.9% 0.027 242.8)
-
Step 400
400
#8AA4BB
oklch(70.7% 0.045 245.2)
-
Step 500
500
#6C8EA9
oklch(63.1% 0.056 242.7)
-
Step 600
600 (this color)
#507491
oklch(54.4% 0.061 243.5)
-
Step 700
700
#44657F
oklch(49.2% 0.057 243)
-
Step 800
800
#385267
oklch(42.7% 0.047 243.5)
-
Step 900
900
#314454
oklch(37.7% 0.037 244.4)
-
Step 950
950
#1D2831
oklch(27.1% 0.023 243.4)
#507491 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) | #687492 | 0.031 |
| Deuteranopia (no green cones) | #5F6D90 | 0.026 |
| Tritanopia (no blue cones) | #367B7E | 0.050 |
| Achromatopsia (no color) | #707070 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507491
#507491
oklch(54.4% 0.061 243.5)
- #89684A
#89684A
oklch(54.3% 0.061 63.3)
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 #507491, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.005
- Dull Blue #49759C ΔE 0.018
- Stormy Blue #507B9C ΔE 0.023
- Cerulean #457B9D ΔE 0.024
- Muted Blue #3B719F ΔE 0.034
- Grey Blue #647D8E ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.041
- Battleship Gray #6C757D ΔE 0.047
Use #507491 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.