#507696
Closest named color: Dull Blue (#49759C). oklch(55.1% 0.066 244.8), rgb(80, 118, 150).
Aa
White text reads best on this color (4.80:1).
About this color
#507696 is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.066 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.013 away. White text reads best on it, at 4.80:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.37:1 |
| White text | 4.80:1 |
Values
| HEX | #507696 |
| RGB | rgb(80, 118, 150) |
| HSL | hsl(207, 30%, 45%) |
| OKLCH | oklch(55.1% 0.066 244.8) |
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 #507696 | 4.80:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #507696 | 4.37:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #507696 text on white | 4.80:1 | AA | Lc 73.2 | Content text, not long reading |
| #507696 text on black | 4.37:1 | AA large text | Lc -28.4 | 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
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B1C3D3
oklch(80.9% 0.03 245)
-
Step 400
400
#88A4BD
oklch(70.6% 0.048 245.5)
-
Step 500
500
#6A8EAC
oklch(63.1% 0.061 244.1)
-
Step 600
600 (this color)
#507696
oklch(55.1% 0.066 244.8)
-
Step 700
700
#426581
oklch(49.2% 0.061 243.6)
-
Step 800
800
#375269
oklch(42.7% 0.05 245.1)
-
Step 900
900
#304455
oklch(37.7% 0.039 244.7)
-
Step 950
950
#1C2832
oklch(27% 0.025 244)
#507696 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) | #697698 | 0.032 |
| Deuteranopia (no green cones) | #606F95 | 0.026 |
| Tritanopia (no blue cones) | #327E81 | 0.055 |
| Achromatopsia (no color) | #727272 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507696
#507696
oklch(55.1% 0.066 244.8)
- #8D6A48
#8D6A48
oklch(55.1% 0.066 64.9)
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 #507696, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.013
- Metallic Blue #4F738E ΔE 0.014
- Stormy Blue #507B9C ΔE 0.015
- Cerulean #457B9D ΔE 0.018
- Muted Blue #3B719F ΔE 0.032
- Flat Blue #3C73A8 ΔE 0.037
- Grey Blue #647D8E ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.050
Use #507696 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.