#61B4E8
Closest named color: Deep Sky Blue (#00BFFF). oklch(73.8% 0.111 238.3), rgb(97, 180, 232).
Aa
Black text reads best on this color (9.20:1).
About this color
#61B4E8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.111 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.048 away. Black text reads best on it, at 9.20:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.20:1 |
| White text | 2.28:1 |
Values
| HEX | #61B4E8 |
| RGB | rgb(97, 180, 232) |
| HSL | hsl(203, 75%, 65%) |
| OKLCH | oklch(73.8% 0.111 238.3) |
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 #61B4E8 | 2.28:1 | Fails | Lc -49.6 | Large or bold text, headings |
| Black text on #61B4E8 | 9.20:1 | AAA | Lc 59.2 | Large or bold text, headings |
| #61B4E8 text on white | 2.28:1 | Fails | Lc 44.8 | Non-text elements, placeholder text |
| #61B4E8 text on black | 9.20:1 | AAA | Lc -57.3 | 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
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C3DDF0
oklch(88.4% 0.038 239.6)
-
Step 300
300
#97C8E9
oklch(81% 0.069 238.2)
-
Step 400
400 (this color)
#61B4E8
oklch(73.8% 0.111 238.3)
-
Step 500
500
#0093D4
oklch(63% 0.141 238.5)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#022A3F
oklch(27.1% 0.057 237.5)
#61B4E8 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) | #9CB3EA | 0.063 |
| Deuteranopia (no green cones) | #8AA5E7 | 0.054 |
| Tritanopia (no blue cones) | #00C1C5 | 0.083 |
| Achromatopsia (no color) | #ACACAC | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #61B4E8
#61B4E8
oklch(73.8% 0.111 238.3)
- #DE9861
#DE9861
oklch(73.7% 0.11 58.1)
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 #61B4E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.048
- Carolina Blue #8AB8FE ΔE 0.055
- Vivid Sky Blue #4CC9F0 ΔE 0.055
- Lightblue #7BC8F6 ΔE 0.063
- Bright Sky Blue #02CCFE ΔE 0.067
- Sky #82CAFC ΔE 0.073
- Turquoise Blue #06B1C4 ΔE 0.073
- Light Grey Blue #9DBCD4 ΔE 0.075
Use #61B4E8 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.