#045148
Closest named color: Dark Blue Green (#005249). oklch(39.1% 0.069 182), rgb(4, 81, 72).
Aa
White text reads best on this color (9.22:1).
About this color
#045148 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.069 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.003 away. White text reads best on it, at 9.22:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #045148 |
| RGB | rgb(4, 81, 72) |
| HSL | hsl(173, 91%, 17%) |
| OKLCH | oklch(39.1% 0.069 182) |
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 #045148 | 9.22:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #045148 | 2.27:1 | Fails | Lc 13.1 | Not readable |
| #045148 text on white | 9.22:1 | AAA | Lc 90.8 | Preferred for body text |
| #045148 text on black | 2.27:1 | Fails | Lc -11.5 | Not readable |
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 900.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C6E0DA
oklch(88.6% 0.029 180.2)
-
Step 300
300
#9CCCC3
oklch(80.9% 0.052 182.2)
-
Step 400
400
#61B2A4
oklch(70.8% 0.083 181.3)
-
Step 500
500
#239E8E
oklch(63.1% 0.105 181.8)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900 (this color)
#045148
oklch(39.1% 0.069 182)
-
Step 950
950
#062D28
oklch(26.9% 0.043 182.6)
#045148 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) | #4D4B48 | 0.074 |
| Deuteranopia (no green cones) | #434549 | 0.068 |
| Tritanopia (no blue cones) | #00534E | 0.010 |
| Achromatopsia (no color) | #474747 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #045148
#045148
oklch(39.1% 0.069 182)
- #633542
#633542
oklch(39.1% 0.068 2.6)
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 #045148, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.003
- Dark Teal #014D4E ΔE 0.020
- Deep Teal #00555A ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.035
- Charcoal #264653 ΔE 0.051
- Evergreen #05472A ΔE 0.051
- Spruce #0A5F38 ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.062
Use #045148 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.