#65B4E8
Closest named color: Deep Sky Blue (#00BFFF). oklch(74% 0.109 239.4), rgb(101, 180, 232).
Aa
Black text reads best on this color (9.24:1).
About this color
#65B4E8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.109 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.051 away. Black text reads best on it, at 9.24:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.24:1 |
| White text | 2.27:1 |
Values
| HEX | #65B4E8 |
| RGB | rgb(101, 180, 232) |
| HSL | hsl(204, 74%, 65%) |
| OKLCH | oklch(74% 0.109 239.4) |
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 #65B4E8 | 2.27:1 | Fails | Lc -49.4 | Large or bold text, headings |
| Black text on #65B4E8 | 9.24:1 | AAA | Lc 59.4 | Large or bold text, headings |
| #65B4E8 text on white | 2.27:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #65B4E8 text on black | 9.24:1 | AAA | Lc -57.5 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C3DDF0
oklch(88.4% 0.038 239.6)
-
Step 300
300
#99C7E8
oklch(80.9% 0.067 239.8)
-
Step 400
400 (this color)
#65B4E8
oklch(74% 0.109 239.4)
-
Step 500
500
#1393D4
oklch(63.2% 0.139 239.3)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006899
oklch(49.2% 0.111 239.3)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#042A3F
oklch(27.1% 0.056 238.5)
#65B4E8 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) | #9DB4EA | 0.061 |
| Deuteranopia (no green cones) | #8BA6E7 | 0.051 |
| Tritanopia (no blue cones) | #00C1C5 | 0.085 |
| Achromatopsia (no color) | #ACACAC | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #65B4E8
#65B4E8
oklch(74% 0.109 239.4)
- #DD9A62
#DD9A62
oklch(74% 0.108 59.9)
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 #65B4E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.052
- Vivid Sky Blue #4CC9F0 ΔE 0.056
- Lightblue #7BC8F6 ΔE 0.061
- Bright Sky Blue #02CCFE ΔE 0.068
- Sky #82CAFC ΔE 0.071
- Light Grey Blue #9DBCD4 ΔE 0.073
- Light Cornflower Blue #98C1D9 ΔE 0.073
Use #65B4E8 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.