#437293
Closest named color: Metallic Blue (#4F738E). oklch(53.2% 0.073 240.6), rgb(67, 114, 147).
Aa
White text reads best on this color (5.16:1).
About this color
#437293 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.073 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.016 away. White text reads best on it, at 5.16:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #437293 |
| RGB | rgb(67, 114, 147) |
| HSL | hsl(205, 37%, 42%) |
| OKLCH | oklch(53.2% 0.073 240.6) |
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 #437293 | 5.16:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #437293 | 4.06:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #437293 text on white | 5.16:1 | AA | Lc 75.4 | Fine for body text |
| #437293 text on black | 4.06:1 | AA large text | Lc -26.3 | 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
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AEC4D4
oklch(80.9% 0.033 239.5)
-
Step 400
400
#83A5BF
oklch(70.6% 0.053 241.4)
-
Step 500
500
#648FAF
oklch(63.1% 0.068 241.3)
-
Step 600
600 (this color)
#437293
oklch(53.2% 0.073 240.6)
-
Step 700
700
#3B6684
oklch(49.2% 0.068 240.5)
-
Step 800
800
#31536B
oklch(42.7% 0.056 240.6)
-
Step 900
900
#2C4557
oklch(37.8% 0.044 240.7)
-
Step 950
950
#1A2833
oklch(26.9% 0.028 242.7)
#437293 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) | #637295 | 0.039 |
| Deuteranopia (no green cones) | #596A92 | 0.032 |
| Tritanopia (no blue cones) | #117A7D | 0.059 |
| Achromatopsia (no color) | #6D6D6D | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437293
#437293
oklch(53.2% 0.073 240.6)
- #8C623F
#8C623F
oklch(53.2% 0.074 60.1)
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 #437293, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.016
- Dull Blue #49759C ΔE 0.017
- Muted Blue #3B719F ΔE 0.021
- Cerulean #457B9D ΔE 0.028
- Stormy Blue #507B9C ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.033
- Sea Blue #047495 ΔE 0.035
- Ocean Blue #03719C ΔE 0.039
Use #437293 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.