#3A7484
Closest named color: Metallic Blue (#4F738E). oklch(52.6% 0.065 218.1), rgb(58, 116, 132).
Aa
White text reads best on this color (5.23:1).
About this color
#3A7484 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.065 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.029 away. White text reads best on it, at 5.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #3A7484 |
| RGB | rgb(58, 116, 132) |
| HSL | hsl(193, 39%, 37%) |
| OKLCH | oklch(52.6% 0.065 218.1) |
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 #3A7484 | 5.23:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #3A7484 | 4.01:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #3A7484 text on white | 5.23:1 | AA | Lc 75.8 | Fine for body text |
| #3A7484 text on black | 4.01:1 | AA large text | Lc -25.9 | 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
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ACC6CD
oklch(80.9% 0.03 215.8)
-
Step 400
400
#80A8B4
oklch(70.7% 0.047 218.2)
-
Step 500
500
#5E93A2
oklch(63.2% 0.061 217.6)
-
Step 600
600 (this color)
#3A7484
oklch(52.6% 0.065 218.1)
-
Step 700
700
#346978
oklch(49.1% 0.061 218.6)
-
Step 800
800
#2C5661
oklch(42.7% 0.05 216.8)
-
Step 900
900
#284750
oklch(37.8% 0.04 218.4)
-
Step 950
950
#18292F
oklch(26.9% 0.025 222.2)
#3A7484 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) | #6A7185 | 0.057 |
| Deuteranopia (no green cones) | #5F6984 | 0.051 |
| Tritanopia (no blue cones) | #007A79 | 0.040 |
| Achromatopsia (no color) | #6C6C6C | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A7484
#3A7484
oklch(52.6% 0.065 218.1)
- #8C5E4F
#8C5E4F
oklch(52.7% 0.065 38.8)
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 #3A7484, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.029
- Deep Aqua #08787F ΔE 0.031
- Ocean #017B92 ΔE 0.032
- Sea Blue #047495 ΔE 0.036
- Bluegreen #017A79 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.042
- Dull Blue #49759C ΔE 0.043
- Cerulean #457B9D ΔE 0.043
Use #3A7484 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.