#438CA5
Closest named color: Dusty Blue (#5A86AD). oklch(60.4% 0.082 223.2), rgb(67, 140, 165).
Aa
Black text reads best on this color (5.53:1).
About this color
#438CA5 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.082 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.032 away. Black text reads best on it, at 5.53:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #438CA5 |
| RGB | rgb(67, 140, 165) |
| HSL | hsl(195, 42%, 45%) |
| OKLCH | oklch(60.4% 0.082 223.2) |
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 #438CA5 | 3.79:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #438CA5 | 5.53:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #438CA5 text on white | 3.79:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #438CA5 text on black | 5.53:1 | AA | Lc -36.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A6C7D4
oklch(81% 0.04 223.7)
-
Step 400
400
#74AABE
oklch(70.8% 0.064 223.2)
-
Step 500
500 (this color)
#438CA5
oklch(60.4% 0.082 223.2)
-
Step 600
600
#2A7E99
oklch(55.5% 0.088 223.5)
-
Step 700
700
#1A6B83
oklch(49.2% 0.083 222.7)
-
Step 800
800
#1A576A
oklch(42.7% 0.068 222.8)
-
Step 900
900
#1D4856
oklch(37.8% 0.053 222.3)
-
Step 950
950
#122A32
oklch(26.9% 0.033 222)
#438CA5 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) | #7E89A6 | 0.066 |
| Deuteranopia (no green cones) | #707EA5 | 0.059 |
| Tritanopia (no blue cones) | #009494 | 0.050 |
| Achromatopsia (no color) | #838383 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #438CA5
#438CA5
oklch(60.4% 0.082 223.2)
- #AB7159
#AB7159
oklch(60.4% 0.082 43.2)
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 #438CA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.032
- Blue NCS #118AB2 ΔE 0.033
- Off Blue #5684AE ΔE 0.035
- Teal Blue #01889F ΔE 0.036
- Steel Blue #4682B4 ΔE 0.042
- Cool Blue #4984B8 ΔE 0.043
- Teal Green #0A9396 ΔE 0.045
- Stormy Blue #507B9C ΔE 0.048
Use #438CA5 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.