#0D97D3
Closest named color: Water Blue (#0E87CC). oklch(64% 0.136 236.2), rgb(13, 151, 211).
Aa
Black text reads best on this color (6.38:1).
About this color
#0D97D3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.136 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.045 away. Black text reads best on it, at 6.38:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #0D97D3 |
| RGB | rgb(13, 151, 211) |
| HSL | hsl(198, 88%, 44%) |
| OKLCH | oklch(64% 0.136 236.2) |
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 #0D97D3 | 3.28:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #0D97D3 | 6.38:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #0D97D3 text on white | 3.28:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #0D97D3 text on black | 6.38:1 | AA | Lc -42.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DEECF5
oklch(93.5% 0.019 235.7)
-
Step 200
200
#C3DEEF
oklch(88.6% 0.037 235.5)
-
Step 300
300
#98C8E6
oklch(80.9% 0.066 236.1)
-
Step 400
400
#58ABDA
oklch(70.8% 0.106 235.8)
-
Step 500
500 (this color)
#0D97D3
oklch(64% 0.136 236.2)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006894
oklch(49% 0.106 236.4)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#022A3E
oklch(27% 0.056 236.2)
#0D97D3 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) | #7997D6 | 0.078 |
| Deuteranopia (no green cones) | #6186D2 | 0.064 |
| Tritanopia (no blue cones) | #00A7AC | 0.086 |
| Achromatopsia (no color) | #8E8E8E | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D97D3
#0D97D3
oklch(64% 0.136 236.2)
- #C9732C
#C9732C
oklch(63.9% 0.136 55.9)
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 #0D97D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.045
- Dark Sky Blue #448EE4 ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.054
- Blue NCS #118AB2 ΔE 0.056
- Cool Blue #4984B8 ΔE 0.060
- Faded Blue #658CBB ΔE 0.062
- Steel Blue #4682B4 ΔE 0.066
- Cornflower Blue #6495ED ΔE 0.070
Use #0D97D3 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.