#507398
Closest named color: Dull Blue (#49759C). oklch(54.4% 0.071 250.6), rgb(80, 115, 152).
Aa
White text reads best on this color (4.94:1).
About this color
#507398 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.071 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.010 away. White text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #507398 |
| RGB | rgb(80, 115, 152) |
| HSL | hsl(211, 31%, 45%) |
| OKLCH | oklch(54.4% 0.071 250.6) |
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 #507398 | 4.94:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #507398 | 4.24:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #507398 text on white | 4.94:1 | AA | Lc 74.2 | Content text, not long reading |
| #507398 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
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B2C3D5
oklch(81% 0.032 249.7)
-
Step 400
400
#89A3C0
oklch(70.6% 0.052 251.4)
-
Step 500
500
#6C8DB0
oklch(63.2% 0.065 250.4)
-
Step 600
600 (this color)
#507398
oklch(54.4% 0.071 250.6)
-
Step 700
700
#446385
oklch(49% 0.066 251.5)
-
Step 800
800
#38516C
oklch(42.7% 0.055 251)
-
Step 900
900
#304358
oklch(37.6% 0.044 251.5)
-
Step 950
950
#1D2733
oklch(26.9% 0.027 253.3)
#507398 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) | #64749A | 0.026 |
| Deuteranopia (no green cones) | #5B6D97 | 0.020 |
| Tritanopia (no blue cones) | #327B80 | 0.060 |
| Achromatopsia (no color) | #707070 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507398
#507398
oklch(54.4% 0.071 250.6)
- #8A6940
#8A6940
oklch(54.4% 0.071 71.4)
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 #507398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.010
- Metallic Blue #4F738E ΔE 0.016
- Stormy Blue #507B9C ΔE 0.023
- Cerulean #457B9D ΔE 0.024
- Muted Blue #3B719F ΔE 0.026
- Flat Blue #3C73A8 ΔE 0.031
- Grey Blue #647D8E ΔE 0.046
- French Blue #436BAD ΔE 0.048
Use #507398 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.