#45A1BF
Closest named color: Turquoise Blue (#06B1C4). oklch(66.6% 0.097 222.7), rgb(69, 161, 191).
Aa
Black text reads best on this color (7.10:1).
About this color
#45A1BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.097 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.046 away. Black text reads best on it, at 7.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #45A1BF |
| RGB | rgb(69, 161, 191) |
| HSL | hsl(195, 49%, 51%) |
| OKLCH | oklch(66.6% 0.097 222.7) |
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 #45A1BF | 2.95:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #45A1BF | 7.10:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #45A1BF text on white | 2.95:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #45A1BF text on black | 7.10:1 | AAA | Lc -45.9 | 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 500.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C7DDE6
oklch(88.4% 0.027 224.3)
-
Step 300
300
#A0C8D7
oklch(80.9% 0.047 222.7)
-
Step 400
400
#69ABC3
oklch(70.6% 0.076 223.3)
-
Step 500
500 (this color)
#45A1BF
oklch(66.6% 0.097 222.7)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#0F495A
oklch(37.8% 0.063 222.4)
-
Step 950
950
#0C2B35
oklch(27.1% 0.04 222.7)
#45A1BF 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) | #909DC1 | 0.078 |
| Deuteranopia (no green cones) | #7E91BF | 0.068 |
| Tritanopia (no blue cones) | #00AAAB | 0.052 |
| Achromatopsia (no color) | #969696 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45A1BF
#45A1BF
oklch(66.6% 0.097 222.7)
- #C68063
#C68063
oklch(66.6% 0.097 43.2)
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 #45A1BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.047
- Greyblue #77A1B5 ΔE 0.048
- Faded Blue #658CBB ΔE 0.061
- Bluegrey #85A3B2 ΔE 0.066
- Silver Lake Blue #778DA9 ΔE 0.068
- Sea #3C9992 ΔE 0.068
- Light Sea Green #20B2AA ΔE 0.068
Use #45A1BF 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.