#437197
Closest named color: Muted Blue (#3B719F). oklch(53.2% 0.079 245), rgb(67, 113, 151).
Aa
White text reads best on this color (5.18:1).
About this color
#437197 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.079 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.014 away. White text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #437197 |
| RGB | rgb(67, 113, 151) |
| HSL | hsl(207, 39%, 43%) |
| OKLCH | oklch(53.2% 0.079 245) |
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 #437197 | 5.18:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #437197 | 4.04:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #437197 text on white | 5.18:1 | AA | Lc 75.6 | Fine for body text |
| #437197 text on black | 4.04:1 | AA large text | Lc -26.1 | 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
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AEC4D6
oklch(80.9% 0.035 242.8)
-
Step 400
400
#83A5C2
oklch(70.7% 0.057 244.5)
-
Step 500
500
#648EB3
oklch(63.1% 0.073 245.9)
-
Step 600
600 (this color)
#437197
oklch(53.2% 0.079 245)
-
Step 700
700
#3B6588
oklch(49.2% 0.074 245.2)
-
Step 800
800
#31526E
oklch(42.6% 0.061 245.5)
-
Step 900
900
#2C4459
oklch(37.6% 0.047 245.9)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
#437197 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) | #617299 | 0.037 |
| Deuteranopia (no green cones) | #566996 | 0.030 |
| Tritanopia (no blue cones) | #087A7E | 0.066 |
| Achromatopsia (no color) | #6D6D6D | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437197
#437197
oklch(53.2% 0.079 245)
- #8C6339
#8C6339
oklch(53.3% 0.079 65.4)
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 #437197, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.014
- Dull Blue #49759C ΔE 0.015
- Metallic Blue #4F738E ΔE 0.021
- Flat Blue #3C73A8 ΔE 0.026
- Cerulean #457B9D ΔE 0.029
- Stormy Blue #507B9C ΔE 0.034
- Sea Blue #047495 ΔE 0.037
- Ocean Blue #03719C ΔE 0.037
Use #437197 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.