#537197
Closest named color: Dull Blue (#49759C). oklch(54.1% 0.069 254.7), rgb(83, 113, 151).
Aa
White text reads best on this color (5.02:1).
About this color
#537197 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.069 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.015 away. White text reads best on it, at 5.02:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.17:1 |
| White text | 5.02:1 |
Values
| HEX | #537197 |
| RGB | rgb(83, 113, 151) |
| HSL | hsl(214, 29%, 46%) |
| OKLCH | oklch(54.1% 0.069 254.7) |
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 #537197 | 5.02:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #537197 | 4.17:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #537197 text on white | 5.02:1 | AA | Lc 74.7 | Content text, not long reading |
| #537197 text on black | 4.17:1 | AA large text | Lc -27.0 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B3C2D5
oklch(80.9% 0.032 254.3)
-
Step 400
400
#8CA3C0
oklch(70.8% 0.05 254.4)
-
Step 500
500
#6F8CB0
oklch(63.2% 0.064 254.1)
-
Step 600
600 (this color)
#537197
oklch(54.1% 0.069 254.7)
-
Step 700
700
#476285
oklch(49% 0.065 255.2)
-
Step 800
800
#3B506C
oklch(42.6% 0.054 255.8)
-
Step 900
900
#324358
oklch(37.7% 0.042 254.1)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#537197 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) | #637399 | 0.022 |
| Deuteranopia (no green cones) | #5A6C96 | 0.016 |
| Tritanopia (no blue cones) | #39797E | 0.060 |
| Achromatopsia (no color) | #6F6F6F | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537197
#537197
oklch(54.1% 0.069 254.7)
- #87693F
#87693F
oklch(54.1% 0.07 74.7)
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 #537197, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.015
- Metallic Blue #4F738E ΔE 0.018
- Muted Blue #3B719F ΔE 0.028
- Stormy Blue #507B9C ΔE 0.028
- Cerulean #457B9D ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.033
- French Blue #436BAD ΔE 0.046
- Grey Blue #647D8E ΔE 0.049
Use #537197 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.