#73B0EA
Closest named color: Carolina Blue (#8AB8FE). oklch(73.9% 0.106 248.2), rgb(115, 176, 234).
Aa
Black text reads best on this color (9.12:1).
About this color
#73B0EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.106 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.044 away. Black text reads best on it, at 9.12:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.12:1 |
| White text | 2.30:1 |
Values
| HEX | #73B0EA |
| RGB | rgb(115, 176, 234) |
| HSL | hsl(209, 74%, 68%) |
| OKLCH | oklch(73.9% 0.106 248.2) |
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 #73B0EA | 2.30:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #73B0EA | 9.12:1 | AAA | Lc 58.7 | Large or bold text, headings |
| #73B0EA text on white | 2.30:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #73B0EA text on black | 9.12:1 | AAA | Lc -56.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#A0C5EA
oklch(80.9% 0.066 248.6)
-
Step 400
400 (this color)
#73B0EA
oklch(73.9% 0.106 248.2)
-
Step 500
500
#3C8ED7
oklch(63% 0.136 248.6)
-
Step 600
600
#0C77C4
oklch(55.6% 0.147 248.3)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800
#055289
oklch(42.8% 0.112 248)
-
Step 900
900
#12446E
oklch(37.7% 0.089 248.4)
-
Step 950
950
#0D2840
oklch(27% 0.056 248.3)
#73B0EA 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) | #98B2ED | 0.043 |
| Deuteranopia (no green cones) | #89A6E9 | 0.033 |
| Tritanopia (no blue cones) | #34BEC4 | 0.091 |
| Achromatopsia (no color) | #ABABAB | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B0EA
#73B0EA
oklch(73.9% 0.106 248.2)
- #D69E5E
#D69E5E
oklch(73.9% 0.105 68.7)
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 #73B0EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.044
- Deep Sky Blue #00BFFF ΔE 0.063
- Lightblue #7BC8F6 ΔE 0.065
- Vivid Sky Blue #4CC9F0 ΔE 0.069
- Light Grey Blue #9DBCD4 ΔE 0.072
- Sky #82CAFC ΔE 0.073
- Light Cornflower Blue #98C1D9 ΔE 0.074
- Pastel Blue #A2BFFE ΔE 0.075
Use #73B0EA 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.