#04506A
Closest named color: Deep Teal (#00555A). oklch(40.4% 0.078 229), rgb(4, 80, 106).
Aa
White text reads best on this color (8.89:1).
About this color
#04506A is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 40%, its chroma 0.078 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.036 away. White text reads best on it, at 8.89:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #04506A |
| RGB | rgb(4, 80, 106) |
| HSL | hsl(195, 93%, 22%) |
| OKLCH | oklch(40.4% 0.078 229) |
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 #04506A | 8.89:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #04506A | 2.36:1 | Fails | Lc 14.1 | Not readable |
| #04506A text on white | 8.89:1 | AAA | Lc 89.9 | Fine for body text |
| #04506A text on black | 2.36:1 | Fails | Lc -12.3 | 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 800.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7D8
oklch(80.9% 0.045 228.2)
-
Step 400
400
#6FAAC5
oklch(70.8% 0.073 228.6)
-
Step 500
500
#4494B6
oklch(63.1% 0.093 228.8)
-
Step 600
600
#1C7EA2
oklch(55.6% 0.101 228.6)
-
Step 700
700
#0A6A8B
oklch(49.1% 0.094 229.1)
-
Step 800
800 (this color)
#04506A
oklch(40.4% 0.078 229)
-
Step 900
900
#18475B
oklch(37.6% 0.061 229.7)
-
Step 950
950
#102A35
oklch(27% 0.038 228.2)
#04506A 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) | #424F6B | 0.054 |
| Deuteranopia (no green cones) | #36466A | 0.047 |
| Tritanopia (no blue cones) | #005759 | 0.042 |
| Achromatopsia (no color) | #4A4A4A | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04506A
#04506A
oklch(40.4% 0.078 229)
- #6A3B20
#6A3B20
oklch(40.5% 0.077 49.2)
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 #04506A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.040
- Charcoal #264653 ΔE 0.044
- Light Navy #155084 ΔE 0.046
- Dark Teal #014D4E ΔE 0.048
- Petrol #005F6A ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
Use #04506A 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.