#3E7384
Closest named color: Metallic Blue (#4F738E). oklch(52.6% 0.062 221), rgb(62, 115, 132).
Aa
White text reads best on this color (5.26:1).
About this color
#3E7384 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.062 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.026 away. White text reads best on it, at 5.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.99:1 |
| White text | 5.26:1 |
Values
| HEX | #3E7384 |
| RGB | rgb(62, 115, 132) |
| HSL | hsl(195, 36%, 38%) |
| OKLCH | oklch(52.6% 0.062 221) |
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 #3E7384 | 5.26:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #3E7384 | 3.99:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #3E7384 text on white | 5.26:1 | AA | Lc 76.0 | Fine for body text |
| #3E7384 text on black | 3.99:1 | AA large text | Lc -25.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CFDCE0
oklch(88.6% 0.015 218.1)
-
Step 300
300
#AEC5CD
oklch(80.9% 0.027 220.7)
-
Step 400
400
#82A8B4
oklch(70.8% 0.045 219.1)
-
Step 500
500
#6192A2
oklch(63.1% 0.058 220.4)
-
Step 600
600 (this color)
#3E7384
oklch(52.6% 0.062 221)
-
Step 700
700
#386878
oklch(49% 0.058 221.8)
-
Step 800
800
#2F5562
oklch(42.7% 0.048 222.1)
-
Step 900
900
#2A4650
oklch(37.6% 0.038 222.7)
-
Step 950
950
#19292F
oklch(26.9% 0.024 223.4)
#3E7384 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) | #697085 | 0.052 |
| Deuteranopia (no green cones) | #5E6884 | 0.047 |
| Tritanopia (no blue cones) | #127978 | 0.041 |
| Achromatopsia (no color) | #6C6C6C | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E7384
#3E7384
oklch(52.6% 0.062 221)
- #8A5E4F
#8A5E4F
oklch(52.5% 0.063 39.6)
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 #3E7384, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.026
- Deep Aqua #08787F ΔE 0.035
- Ocean #017B92 ΔE 0.036
- Sea Blue #047495 ΔE 0.038
- Dull Blue #49759C ΔE 0.041
- Cerulean #457B9D ΔE 0.043
- Bluegreen #017A79 ΔE 0.044
- Slate #516572 ΔE 0.045
Use #3E7384 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.