#3BBCE7
Closest named color: Deep Sky Blue (#00BFFF). oklch(74.4% 0.125 225), rgb(59, 188, 231).
Aa
Black text reads best on this color (9.53:1).
About this color
#3BBCE7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.125 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.035 away. Black text reads best on it, at 9.53:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.53:1 |
| White text | 2.20:1 |
Values
| HEX | #3BBCE7 |
| RGB | rgb(59, 188, 231) |
| HSL | hsl(195, 78%, 57%) |
| OKLCH | oklch(74.4% 0.125 225) |
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 #3BBCE7 | 2.20:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #3BBCE7 | 9.53:1 | AAA | Lc 61.0 | Content text, not long reading |
| #3BBCE7 text on white | 2.20:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #3BBCE7 text on black | 9.53:1 | AAA | Lc -59.2 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DBEDF5
oklch(93.5% 0.022 226.1)
-
Step 200
200
#BCE0EF
oklch(88.6% 0.043 225)
-
Step 300
300
#88CCE7
oklch(80.9% 0.078 225)
-
Step 400
400 (this color)
#3BBCE7
oklch(74.4% 0.125 225)
-
Step 500
500
#0098BF
oklch(63.2% 0.119 224.4)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#3BBCE7 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) | #A4B8E9 | 0.095 |
| Deuteranopia (no green cones) | #8DA7E7 | 0.084 |
| Tritanopia (no blue cones) | #00C9CA | 0.066 |
| Achromatopsia (no color) | #AFAFAF | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BBCE7
#3BBCE7
oklch(74.4% 0.125 225)
- #ED9168
#ED9168
oklch(74.4% 0.125 44.4)
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 #3BBCE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.035
- Vivid Sky Blue #4CC9F0 ΔE 0.039
- Bright Sky Blue #02CCFE ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.060
- Lightblue #7BC8F6 ΔE 0.065
- Dark Turquoise #00CED1 ΔE 0.069
- Sky #82CAFC ΔE 0.076
- Carolina Blue #8AB8FE ΔE 0.077
Use #3BBCE7 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.