#00748C
Closest named color: Sea Blue (#047495). oklch(51.6% 0.093 218.9), rgb(0, 116, 140).
Aa
White text reads best on this color (5.41:1).
About this color
#00748C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.093 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.015 away. White text reads best on it, at 5.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.87:1 |
| White text | 5.41:1 |
Values
| HEX | #00748C |
| RGB | rgb(0, 116, 140) |
| HSL | hsl(190, 100%, 27%) |
| OKLCH | oklch(51.6% 0.093 218.9) |
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 #00748C | 5.41:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #00748C | 3.87:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #00748C text on white | 5.41:1 | AA | Lc 76.4 | Fine for body text |
| #00748C text on black | 3.87:1 | AA large text | Lc -25.3 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE4
oklch(88.4% 0.024 219.7)
-
Step 300
300
#A1C8D4
oklch(80.9% 0.045 218.5)
-
Step 400
400
#6BACBF
oklch(70.8% 0.072 218.4)
-
Step 500
500
#3B97AF
oklch(63.2% 0.092 218.2)
-
Step 600
600
#01819B
oklch(55.7% 0.1 218.6)
-
Step 700
700 (this color)
#00748C
oklch(51.6% 0.093 218.9)
-
Step 800
800
#00586B
oklch(42.5% 0.077 219.1)
-
Step 900
900
#114957
oklch(37.7% 0.06 218.5)
-
Step 950
950
#0D2B33
oklch(27.1% 0.038 218.3)
#00748C 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) | #65708D | 0.079 |
| Deuteranopia (no green cones) | #55658C | 0.070 |
| Tritanopia (no blue cones) | #007C7C | 0.041 |
| Achromatopsia (no color) | #6A6A6A | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00748C
#00748C
oklch(51.6% 0.093 218.9)
- #95543E
#95543E
oklch(51.7% 0.093 39.4)
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 #00748C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.015
- Ocean #017B92 ΔE 0.022
- Deep Aqua #08787F ΔE 0.028
- Ocean Blue #03719C ΔE 0.030
- Deep Turquoise #017374 ΔE 0.039
- Bluegreen #017A79 ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.044
- Peacock Blue #016795 ΔE 0.046
Use #00748C 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.