#438C9D
Closest named color: Teal Blue (#01889F). oklch(60% 0.077 215.1), rgb(67, 140, 157).
Aa
Black text reads best on this color (5.47:1).
About this color
#438C9D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.077 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.034 away. Black text reads best on it, at 5.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #438C9D |
| RGB | rgb(67, 140, 157) |
| HSL | hsl(191, 40%, 44%) |
| OKLCH | oklch(60% 0.077 215.1) |
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 #438C9D | 3.83:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #438C9D | 5.47:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #438C9D text on white | 3.83:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #438C9D text on black | 5.47:1 | AA | Lc -36.0 | 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 500.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A6C7D0
oklch(80.8% 0.038 216.1)
-
Step 400
400
#74ABB8
oklch(70.8% 0.061 214.1)
-
Step 500
500 (this color)
#438C9D
oklch(60% 0.077 215.1)
-
Step 600
600
#2B7F92
oklch(55.5% 0.083 215.9)
-
Step 700
700
#1C6C7C
oklch(49.2% 0.078 214.3)
-
Step 800
800
#1B5865
oklch(42.8% 0.064 214.8)
-
Step 900
900
#1D4852
oklch(37.6% 0.05 215.3)
-
Step 950
950
#122A30
oklch(26.8% 0.032 216)
#438C9D 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) | #80889E | 0.069 |
| Deuteranopia (no green cones) | #727E9D | 0.062 |
| Tritanopia (no blue cones) | #009291 | 0.041 |
| Achromatopsia (no color) | #828282 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #438C9D
#438C9D
oklch(60% 0.077 215.1)
- #A97061
#A97061
oklch(60.1% 0.077 35.4)
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 #438C9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.034
- Teal Green #0A9396 ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.041
- Blue NCS #118AB2 ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.043
- Off Blue #5684AE ΔE 0.044
- Dark Cyan #008B8B ΔE 0.044
- Sea #3C9992 ΔE 0.047
Use #438C9D 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.