#377284
Closest named color: Metallic Blue (#4F738E). oklch(52% 0.067 220.4), rgb(55, 114, 132).
Aa
White text reads best on this color (5.38:1).
About this color
#377284 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.067 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.031 away. White text reads best on it, at 5.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.90:1 |
| White text | 5.38:1 |
Values
| HEX | #377284 |
| RGB | rgb(55, 114, 132) |
| HSL | hsl(194, 41%, 37%) |
| OKLCH | oklch(52% 0.067 220.4) |
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 #377284 | 5.38:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #377284 | 3.90:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #377284 text on white | 5.38:1 | AA | Lc 76.6 | Fine for body text |
| #377284 text on black | 3.90:1 | AA large text | Lc -25.1 | 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 700.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#AAC6CF
oklch(80.9% 0.033 219.2)
-
Step 400
400
#7CA9B7
oklch(70.7% 0.052 219)
-
Step 500
500
#5993A6
oklch(63.1% 0.067 220.9)
-
Step 600
600
#3D7D91
oklch(55.6% 0.072 220.9)
-
Step 700
700 (this color)
#377284
oklch(52% 0.067 220.4)
-
Step 800
800
#275664
oklch(42.6% 0.056 220)
-
Step 900
900
#254752
oklch(37.7% 0.044 221)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#377284 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) | #676F85 | 0.056 |
| Deuteranopia (no green cones) | #5C6784 | 0.050 |
| Tritanopia (no blue cones) | #007878 | 0.040 |
| Achromatopsia (no color) | #6A6A6A | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377284
#377284
oklch(52% 0.067 220.4)
- #8B5C4B
#8B5C4B
oklch(52.1% 0.068 40.7)
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 #377284, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.031
- Deep Aqua #08787F ΔE 0.031
- Sea Blue #047495 ΔE 0.033
- Ocean #017B92 ΔE 0.034
- Deep Turquoise #017374 ΔE 0.041
- Bluegreen #017A79 ΔE 0.042
- Dull Blue #49759C ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.045
Use #377284 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.