#438199
Closest named color: Cerulean (#457B9D). oklch(57.2% 0.074 225.6), rgb(67, 129, 153).
Aa
Black text reads best on this color (4.83:1).
About this color
#438199 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.074 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.021 away. Black text reads best on it, at 4.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.83:1 |
| White text | 4.33:1 |
Values
| HEX | #438199 |
| RGB | rgb(67, 129, 153) |
| HSL | hsl(197, 39%, 43%) |
| OKLCH | oklch(57.2% 0.074 225.6) |
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 #438199 | 4.33:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #438199 | 4.83:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #438199 text on white | 4.33:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #438199 text on black | 4.83:1 | AA | Lc -31.8 | Non-text elements, placeholder text |
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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#ABC6D1
oklch(81% 0.033 224.3)
-
Step 400
400
#7DA8BA
oklch(70.7% 0.053 225.6)
-
Step 500
500
#5A92A9
oklch(63% 0.068 226.2)
-
Step 600
600 (this color)
#438199
oklch(57.2% 0.074 225.6)
-
Step 700
700
#30697E
oklch(49.2% 0.068 225)
-
Step 800
800
#295567
oklch(42.6% 0.057 227.1)
-
Step 900
900
#264754
oklch(37.8% 0.045 225.5)
-
Step 950
950
#172931
oklch(26.9% 0.028 227.9)
#438199 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) | #747F9A | 0.057 |
| Deuteranopia (no green cones) | #677599 | 0.050 |
| Tritanopia (no blue cones) | #008889 | 0.049 |
| Achromatopsia (no color) | #797979 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #438199
#438199
oklch(57.2% 0.074 225.6)
- #9D6A53
#9D6A53
oklch(57.2% 0.074 45.1)
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 #438199, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.021
- Stormy Blue #507B9C ΔE 0.022
- Teal Blue #01889F ΔE 0.033
- Grey Blue #647D8E ΔE 0.037
- Dull Blue #49759C ΔE 0.037
- Off Blue #5684AE ΔE 0.040
- Metallic Blue #4F738E ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.042
Use #438199 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.